| | BASE PERIOD - TYPE B WOOD CORE BOX | BAY CAST INC. | $49,625 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Aug 5, 2025 | Jul 24, 2025 | Jan 4, 2026 |
| | BASE PERIOD - APE RETORTS 1236 | BAY CAST INC. | $541,920 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Jul 30, 2024 | Jul 26, 2024 | Jun 15, 2025 |
| | RETORT SECTIONS | BAY CAST INC. | $262,200 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Sep 14, 2011 | Sep 14, 2011 | Dec 4, 2011 |
| | RETORT SECTIONS, TYPE C | BAY CAST INC. | $32,775 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Apr 27, 2010 | Apr 27, 2010 | Jun 16, 2010 |
| | RETORT SECTIONS, TYPE B | BAY CAST INC. | $32,775 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Apr 27, 2010 | Apr 27, 2010 | Jun 16, 2010 |
| | RETORT SECTIONS | BAY CAST INC. | $65,550 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Jul 21, 2009 | Jul 21, 2009 | Sep 8, 2009 |
| | RETORT SECTIONS | BAY CAST INC. | $32,775 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Apr 28, 2009 | Apr 28, 2009 | Jun 16, 2009 |
| | RETORT SECTIONS | BAY CAST INC. | $32,775 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Apr 28, 2009 | Apr 28, 2009 | Jun 16, 2009 |
| | REMANUFACTURING AND INSTALLATION OF BEDPLATE. | BAY CAST INC. | $29,979 | DEPT OF THE NAVY | DEPT OF THE NAVY | — | 331513Steel Foundries (except Investment) | 9640IRON AND STEEL PRIMARY AND SEMIFINISHED PRODUCTS | Apr 13, 2009 | Apr 8, 2009 | Apr 18, 2009 |
| | RETORT SECTIONS | BAY CAST INC. | $65,550 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Jan 14, 2009 | Jan 14, 2009 | Mar 4, 2009 |
| | RETORT SECTIONS | BAY CAST INC. | $130,100 | DEPT OF THE ARMY | DEPT OF THE ARMY | — | 331513Steel Foundries (except Investment) | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | Dec 9, 2008 | Dec 9, 2008 | Feb 27, 2009 |
| | — | BAY CAST INC. | $0 | DEPT OF THE ARMY | — | — | — | 4430INDUSTRIAL FURNACES, KILNS, LEHRS, AND OVENS | May 15, 1991 | May 15, 1991 | — |